V-Lab
PowerBank Corp GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
75.79%
decreased by 1.23%
1 Week
83.83%
increased by 6.81%
1 Month
100.24%
increased by 23.22%
Analysis last updated: Friday, July 24, 2026 at 09:57 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Apr 8, 2024 to Jul 24, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 195% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.7426 | 6.21*** |
α ARCH Response to squared shocks | 0.3367 | 5.38*** |
β GARCH Volatility persistence | 0.6883 | 20.32*** |
γ leverage Additional response to negative shocks | -0.2227 | -3.71*** |
Persistence:
0.914
Half-life:
8 days
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